/*#include<stdio.h>
int main()
{
    int n;
    scanf("%d",&n);
    printf("%d:",n/3600);
    printf("%d:",(n-(n/3600)*3600)/60);
    printf("%d",n-((n/3600)*3600)-((n-(n/3600)*3600)/60)*60);

    return 0;
}*/
#include<stdio.h>
int main()
{
   printf("#include<stdio.h>\n");
   printf("int main()\n");
   printf("{\n");
   printf("printf(\"\Hello World!\\n\"\);\n");
  
  
   printf("return 0;\n");
   printf("}");
    return 0;
}